Question

2. Materials through which objects cannot be seen.
3. Materials which do not allow electric current
to pass through them.​

Answer 1

Answer:

2. opaque

3. insulators

Answer 2

$\mathfrak{\huge{\purple{\underline{\underline{Answer :}}}}}$

2. Materials through which objects cannot be seen. Opaque

3. Materials which do not allow electric current

to pass through them. Insulator

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